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Finding the Fourth Proportional to 797,309,387.40, 1,195,964,081.10 and 797,309,387.40

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Solution

The fourth proportional to 797,309,387.40, 1,195,964,081.10 and 797,309,387.40 is: 1,195,964,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,309,387.40 : 1,195,964,081.10 = 797,309,387.40 : x
  2. Step 2: Convert to fraction form
    797,309,387.40/1,195,964,081.10 = 797,309,387.40/x
  3. Step 3: Cross multiply
    797,309,387.40x = 1,195,964,081.10 × 797,309,387.40
  4. Step 4: Simplify right side
    797,309,387.40x = 953,553,388,854,244,864
  5. Step 5: Solve for x
    x = 953,553,388,854,244,864/797,309,387.40
  6. Step 6: Final answer
    x = 1,195,964,081.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.